I completely agree with the original poster, and others, that unicycling isn’t especially hard compared to other activities - it just has that frustrating initial phase where you can’t do anything. I even made a similar post in another thread, about the “Lunacycle” maybe helping with the learning curve.
I also think that as a small, relatively disorganized activity, we don’t see people reaching the level of expertise that people reach in other sports and activities - e.g. street unicyclists don’t have the competitions and coaching that, say, gymnasts do. So our standard for landing a trick is basically that you didn’t fall down. In gymnastics, you better land that trick perfectly, no correction hop, after keeping a perfect position in the air, knees straight, toes together and pointed, etc. etc. etc.
And the same thing applies to musicians - hitting the notes is just the bare minimum - and pretty much every other large, competitive activity. I don’t think unicycling is harder than, say, tennis, but that’s not why we don’t have the equivalent of a Roger Federer. It’s because you just can’t get world-class good on your own, or in a local club.